package com.tanhua.server.service;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import com.alibaba.dubbo.config.annotation.Reference;
import com.github.tobato.fastdfs.domain.conn.FdfsWebServer;
import com.github.tobato.fastdfs.domain.fdfs.StorePath;
import com.github.tobato.fastdfs.service.FastFileStorageClient;
import com.tanhua.common.pojo.User;
import com.tanhua.common.pojo.UserInfo;
import com.tanhua.common.servcie.PicUploadService;
import com.tanhua.common.utils.UserThreadLocal;
import com.tanhua.common.vo.PicUploadResult;
import com.tanhua.dubbo.server.api.QuanZiApi;
import com.tanhua.dubbo.server.api.UserManageApi;
import com.tanhua.dubbo.server.api.VideoApi;
import com.tanhua.dubbo.server.pojo.Video;
import com.tanhua.dubbo.server.vo.PageInfo;
import com.tanhua.server.vo.PageResult;
import com.tanhua.server.vo.VideoVo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

@Service
@Slf4j
public class VideoService {

    @Autowired
    private PicUploadService picUploadService;

    @Autowired
    protected FastFileStorageClient storageClient;

    @Autowired
    private FdfsWebServer fdfsWebServer;

    @Autowired
    private UserInfoService userInfoService;

    @Autowired
    private QuanZiService quanZiService;

    @Reference(version = "1.0.0")
    private QuanZiApi quanZiApi;

    @Reference(version = "1.0.0")
    private VideoApi videoApi;

    @Reference(version = "1.0.0")
    private UserManageApi userManageApi;

    /**
     * 发布小视频
     *
     * @param picFile   封面图片
     * @param videoFile 视频文件
     * @return
     */
    public Boolean saveVideo(MultipartFile picFile, MultipartFile videoFile) {
        User user = UserThreadLocal.get();
        Video video = new Video();
        video.setUserId(user.getId());
        video.setSeeType(1);  //默认公开
        try {
            //上传封面图片
            PicUploadResult picUploadResult = picUploadService.upload(picFile);
            //设置图片url
            video.setPicUrl(picUploadResult.getName());

            //上传视频
            StorePath storePath = storageClient.uploadFile(videoFile.getInputStream(), videoFile.getSize(), StrUtil.subAfter(videoFile.getOriginalFilename(), '.', true), null);
            //设置视频url
            video.setVideoUrl(fdfsWebServer.getWebServerUrl() + storePath.getFullPath());

            Long userId = user.getId();
            String userStatus = this.userManageApi.publishStatus(userId);
            if (StrUtil.equals(userStatus, "2")) {
                //账户被冻结,直接返回错误
                return false;
            }

            String videoId = videoApi.saveVideo(video);
            return StrUtil.isNotEmpty(videoId);
        } catch (Exception e) {
            log.error("发布小视频失败！file = " + picFile.getOriginalFilename(), e);
        }
        return false;
    }

    /**
     * 查询小视频列表
     *
     * @param page     页码
     * @param pageSize 显示条数
     * @return
     */
    public PageResult queryVideoList(Integer page, Integer pageSize) {
        User user = UserThreadLocal.get();
        PageResult pageResult = new PageResult();
        pageResult.setPage(page);
        pageResult.setPagesize(pageSize);
        PageInfo<Video> videoPageInfo = videoApi.queryVideoList(user.getId(), page, pageSize);
        List<Video> records = videoPageInfo.getRecords();
        if (CollUtil.isEmpty(records)) {
            return pageResult;
        }

        //查询用户信息
        List<Object> userIds = CollUtil.getFieldValues(records, "userId");
        List<UserInfo> userInfoList = userInfoService.queryUserInfoByUserIdList(userIds);
        List<VideoVo> videoVoList = new ArrayList<>();
        for (Video record : records) {
            VideoVo videoVo = new VideoVo();
            videoVo.setUserId(record.getUserId());
            videoVo.setCover(record.getPicUrl());
            videoVo.setVideoUrl(record.getVideoUrl());
            videoVo.setId(record.getId().toHexString());
            videoVo.setSignature("我就是我~"); //TODO 签名
            videoVo.setCommentCount(Convert.toInt(quanZiApi.queryCommentCount(videoVo.getId()))); // 评论数
            videoVo.setHasFocus(this.videoApi.isFollowUser(user.getId(), videoVo.getUserId()) ? 1 : 0); //是否关注
            videoVo.setHasLiked(quanZiApi.queryUserIsLike(user.getId(), videoVo.getId()) ? 1 : 0); // 是否点赞（1是，0否）
            videoVo.setLikeCount(Convert.toInt(quanZiApi.queryLikeCount(videoVo.getId())));// 点赞数

            //填充用户信息
            for (UserInfo userInfo : userInfoList) {
                //判读用户信息是否一致
                if (ObjectUtil.equals(videoVo.getUserId(), userInfo.getUserId())) {
                    videoVo.setNickname(userInfo.getNickName());
                    videoVo.setAvatar(userInfo.getLogo());
                    break;
                }
            }
            videoVoList.add(videoVo);
        }
        pageResult.setItems(videoVoList);
        return pageResult;
    }

    /**
     * 视频点赞
     *
     * @param videoId 视频id
     * @return
     */
    public Long likeComment(String videoId) {
        User user = UserThreadLocal.get();
        Boolean result = quanZiApi.likeComment(user.getId(), videoId);
        if (result) {
            return quanZiApi.queryLikeCount(videoId);
        }
        return null;
    }

    /**
     * 取消视频点赞
     *
     * @param videoId 视频id
     * @return
     */
    public Long disLikeComment(String videoId) {
        User user = UserThreadLocal.get();
        Boolean result = quanZiApi.disLikeComment(user.getId(), videoId);
        if (result) {
            return quanZiApi.queryLikeCount(videoId);
        }
        return null;
    }

    /**
     * 查看评论列表
     *
     * @param videoId  视频id
     * @param page
     * @param pageSize
     * @return
     */
    public PageResult queryCommentsList(String videoId, Integer page, Integer pageSize) {
        return quanZiService.queryCommentList(videoId, page, pageSize);
    }

    /**
     * 提交评论
     *
     * @param content 评论正文
     * @param videoId
     * @return
     */
    public Boolean saveComments(String videoId, String content) {
        return quanZiService.saveComments(videoId, content);
    }

    /**
     * 视频用户关注
     *
     * @param userId 用户uid
     * @return
     */
    public Boolean followUser(Long userId) {
        User user = UserThreadLocal.get();
        return videoApi.followUser(user.getId(), userId);
    }

    /**
     * 视频用户取消关注
     *
     * @param userId 用户uid
     * @return
     */
    public Boolean disFollowUser(Long userId) {
        User user = UserThreadLocal.get();
        return videoApi.disFollowUser(user.getId(), userId);
    }
}
